XML 37 R91.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Regulatory Capital Requirements - Narrative (Details) - Common equity tier 1 capital
Jan. 01, 2015
Dec. 31, 2019
Jan. 01, 2019
Dec. 31, 2018
Jan. 01, 2016
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]          
Common Equity Tier 1 Capital requirement 4.50% 4.50%   4.50%  
Tier 1 Capital requirement 6.00% 6.00%   6.00%  
Total Capital requirement 8.00% 8.00%   8.00%  
Tier 1 Leverage Capital requirement 4.00% 4.00%   4.00%  
Risk weight on nonaccrual loans 100.00% 150.00%      
Credit conversion factor 0.00% 20.00%      
Risk Weight on mortgage servicing and deferred tax assets 100.00% 250.00%      
Common Equity Tier 1, additional capital conservation buffer   2.50% 2.50%   0.625%
Common Equity Tier 1 Capital required to be categorized as well capitalized   6.50%   6.50%  
Tier 1 Capital required to be categorized as well capitalized 6.00% 8.00%   8.00%  
Total Capital required to be categorized as well capitalized   10.00%   10.00%  
Tier 1 Leverage Capital required to be categorized as well capitalized 5.00% 5.00%   5.00%  
Minimum          
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]          
Regulatory capital requirements, transition period 2 years        
Maximum          
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]          
Regulatory capital requirements, transition period 4 years